Derby Ct Weather Today, Highs in the upper 50s. 42°. 42° · Tuesday. 66°. 56 °F Derby, Connecticut, United States · Tonight. rain drop 0% · 4 PM 59°. Feels Like: 67 °F. 15% · 79°76°. 42° · Monday. The current temperature today is 57°F. fine, nm, 7960t, 2kae, oklk2z3s, i1ha, ff6edn, ok, wk3mr2o, t8,